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【单选题】
根据Stoke’s定律，混悬微粒沉降速度与下列哪项因素成正比（）A.
混悬微粒半径
B.
混悬微粒粉碎度
C.
混悬微粒半径平方
D.
混悬微粒直径
E.
分散介质的黏度
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反馈参考答案：
举一反三
【单选题】Researchers find that when a person tells lies__________ 查看材料
A.
his blood pressure increases measurably
B.
he looks very serious
C.
he tends to make some small changes in his behavior
D.
he uses his unconscious mind
【单选题】Researchers find that when a person tells lies ______
A.
his blood pressure increases measurably
B.
he looks very serious
C.
he tends to make some small changes in his behavior
D.
he uses his unconscious mind
【单选题】When a person tells his or her manager what the manager wants to hear, which of the following barriers to effective interpersonal communication is the person using?
A.
filtering
B.
selective perception
C.
feedback
D.
defensiveness
【单选题】The passage tells us that when a person is dreaming what will happen?
A.
His body is moving.
B.
His temperature is rising.
C.
His eyes are moving.
D.
His blood is increasing.
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